OpenTechnical

OT-2026-000025723

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, pump fed, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000025723) never changes.

Identity and time

Publication numberOT-2026-000025723 · never reused
Internal UUID01a0ae71-9bca-7aaa-9ebb-c98216b204ce · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:56.183170Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025723
StatusPUBLIC

Content hashes

Canonical textf8df09e04ae6a0b2c5e605310111a4449c458ac3caeaefea4342cec21394c620
Markdown3e27cfda07f1e5cd6d32631fae5cedeeaa020825f3daa849bd63d75f1ede2819
PDF
Publication pagef08cec2991e8201dac31991cf6e3417dcb12f2582a62591a2b87b45a0892cb12
Manifesta892aa96eeef3c3041d35255e44dd43236e88cfd18a6cbe384ac174c684d711d

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignaturenCLyOXjPJiqJFvs4ttqtHhNfRj2/JoRkNtbzyyPDUPsbOpvfDCBxRt5ATGR9oBEcly4pu2m5Wj89VLK5BbhpAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:46:56.495744ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025723
observed f08cec2991e8201dac31991cf6e3417d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:56.478898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025723/manifest.json
observed a892aa96eeef3c3041d35255e44dd432...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:56.459203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025723/publication.md
observed 3e27cfda07f1e5cd6d32631fae5cedee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:56.438508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025723/publication.txt
observed f8df09e04ae6a0b2c5e605310111a444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.